The free AI detector.
Paste any text to see how likely it reads as AI-written — with an honest three-way breakdown, not a falsely confident single number.
Free AI detector
0 wordsPaste any text to see how likely it reads as AI-written. No sign-up needed.
What people ask.
Is the AI detector free?+
Yes — it's free and needs no account. It's rate-limited so everyone gets a fair turn, but there's no credit cost and no sign-up.
How accurate is it?+
No AI detector is perfect — short or heavily edited text is genuinely hard to call. snizzly shows an honest, calibrated estimate split three ways (AI-generated, human-written then AI-refined, human-written) rather than a falsely confident single number. Give it 80+ words for a reliable read.
What do the three categories mean?+
AI-generated is text that reads as written start-to-finish by a model. AI-refined is human writing that's been paraphrased or polished by AI — it keeps a human core but picks up an even, tell-tale rhythm. Human-written reads as genuinely yours.
It says my text is AI — what now?+
Run it through the humanizer. It rewrites AI-sounding text so it reads as human and scores lower, keeping your meaning, citations and structure intact — with an honest before/after score on every pass.